javascript 如何复制警告框的文本
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How to copy text of alert box
提问by Stack Over
I write the path of a document into the alert box via using below code.
我通过使用以下代码将文档的路径写入警报框中。
var oArg = new Object();
oArg.Document = $(t).attr("path") + str + "/" + $(t).attr("name");
alert(oArg.Document);
Assume that message is : "documents/files/img/stack.jpg"
假设消息是：“ documents/files/img/stack.jpg”
I only want to copy this text with a button. For Chrome Ctrl + C is ok for it but for IE, Ctrl + C copies everything at the alertbox.
我只想用一个按钮复制这个文本。对于 Chrome Ctrl + C 是可以的，但对于 IE，Ctrl + C 会复制警报框中的所有内容。
How can I copy only the message with using a button?
如何使用按钮仅复制消息？
Ctrl + C works like below:
Ctrl + C 的工作方式如下：
- Chrome - Works perfectly.
- Internet Explorer - Works, but you get extra text. The caption and OK button text is also copied, along with a bunch of dashes. This is almost never what you want.
- Firefox - Doesn't work at all You must select the text before you can copy it.
- Chrome - 完美运行。
- Internet Explorer - 有效，但您会获得额外的文本。标题和 OK 按钮文本以及一堆破折号也被复制。这几乎永远不是您想要的。
- Firefox - 根本不起作用 您必须先选择文本，然后才能复制它。
回答by Eric
What you can do is to prompt the user with the text and ask them to copy it. As such:
您可以做的是用文本提示用户并要求他们复制它。像这样：
prompt("Copy to clipboard: Ctrl+C, Enter", oArg.Document);
Because if you supply a text to the prompt it automatically gets selected. Does this suit you?
因为如果您向提示提供文本，它会自动被选中。这适合你吗？
回答by Sujeet malvi
When ever the alert message box appears with the text message , just press CTRL+ Cand your message will be copied, then you can paste it anywhere you want , no need to write it or using any other method to get the text.
当警告消息框与文本消息一起出现时，只需按CTRL+C 即可复制您的消息，然后您可以将其粘贴到任何您想要的位置，无需编写或使用任何其他方法来获取文本。
回答by Venryx
I've found that, in Chrome at least, the alert box text is in fact selectable -- when the text does not contain any line-breaks(ie. "\n").
我发现，至少在 Chrome 中，警报框文本实际上是可选择的——当文本不包含任何换行符（即“\n”）时。
I don't know why this is the case, but I've had to use this trick before for quick selection prompts. (you could also use prompt("please press ctrl+c to copy the text below", "text to copy"), but that usually looks worse)
我不知道为什么会这样，但我之前不得不使用这个技巧来快速选择提示。（您也可以使用prompt("please press ctrl+c to copy the text below", "text to copy")，但通常看起来更糟）
